/*
 * $Id: ImageInfo.java,v 1.2 2007/12/20 18:17:41 rbair Exp $
 *
 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package com.sun.pdfview;

import java.awt.geom.Rectangle2D;
import java.awt.Color;

public class ImageInfo {
    int width;
    int height;
    Rectangle2D clip;
    Color bgColor;
    
    public ImageInfo(int width, int height, Rectangle2D clip) {
        this(width, height, clip, Color.WHITE);
    }
    
    public ImageInfo(int width, int height, Rectangle2D clip, Color bgColor) {
	this.width= width;
	this.height= height;
	this.clip= clip;
        this.bgColor = bgColor;
    }
    
    // a hashcode that uses width, height and clip to generate its number
    @Override public int hashCode() {
	int code = (width ^ height << 16);
	
	if (clip != null) {
	    code ^= ((int) clip.getWidth() | (int) clip.getHeight()) << 8;
	    code ^= ((int) clip.getMinX() | (int) clip.getMinY());
	}
	
	return code;
    }
    
    // an equals method that compares values
    @Override public boolean equals(Object o) {
	if (!(o instanceof ImageInfo)) {
	    return false;
	}
	
	ImageInfo ii = (ImageInfo) o;
	
	if (width != ii.width || height != ii.height) {
	    return false;
	} else if (clip != null && ii.clip != null) {
	    return clip.equals(ii.clip);
	} else if (clip == null && ii.clip == null) {
	    return true;
	} else {
	    return false;
	}
    }
}
